import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcome.vue'
import Users from './components/user/Users.vue'
import Rights from './components/power/Rights.vue'
import Roles from './components/power/Roles.vue'
import Cate from './components/goods/Cate.vue'
import Params from './components/goods/Params.vue'
import List from './components/goods/List.vue'
import Add from './components/goods/Add.vue'
import Order from './components/order/Order.vue'
import Report from './components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  { path: '/home', component: Home, redirect: '/welcome', children: [{ path: '/welcome', component: Welcome }, { path: '/users', component: Users }, { path: '/rights', component: Rights }, { path: '/roles', component: Roles }, { path: '/categories', component: Cate }, { path: '/params', component: Params }, { path: '/goods', component: List }, { path: '/goods/add', component: Add }, { path: '/orders', component: Order }, { path: '/reports', component: Report }] }
]

const router = new VueRouter({
  routes
})

router.beforeEach((to, from, next) => {
  // to 表示要访问的路径
  // from 代表从哪个路径跳转过来
  // next 是一个函数
  if (to.path === '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
